<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org"
      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div th:fragment="header">
        <h1>Thymeleaf</h1>
        <a href="/users" >首页</a>
    </div>
</body>
</html>